<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script src="https://cdn.bootcss.com/vue/2.6.10/vue.js"></script>
</head>
<body>
    <!-- v-if //相当于remove 
        v-show  //style="display: none;"
        v-html
    -->
    <div id="app">
        <p v-if="flag">显示隐藏 IF</p>
        <p v-show="isShow">显示隐藏 SHOW</p>
        <div v-html="msg"></div>
    </div>
    <script>
        var vm=new Vue({
            el:"#app",
            data(){
                return{
                    flag:true,
                    isShow:true,
                    msg:"<h1>hello world</h1>"
                }
            }
        })
    </script>
</body>
</html>